unzip master.zip
cd GmSSL-master/
./config --prefix=/usr/local/gmssl --openssldir=/usr/local/gmssl no-shared //“--prefix=/usr/local/gmssl” 指定安装路径 “no-shared” 只编译静态库，不编译动态库，解决和openssl兼容问题
make
make install

进入安装后的目录查看安装结果
cd /usr/local/gmssl/bin/
[root@localhost bin]# ls
c_rehash gmssl openssl

查看openssl版本
[root@localhost bin]# openssl version -a
OpenSSL 1.1.1c FIPS 28 May 2019
built on: Fri Nov 8 21:33:10 2019 UTC
platform: linux-x86_64
options: bn(64,64) md2(char) rc4(16x,int) des(int) idea(int) blowfish(ptr)
compiler: gcc -fPIC -pthread -m64 -Wa,--noexecstack -Wall -O3 -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-*-protection -fcf-protection -Wa,--noexecstack -Wa,--generate-missing-build-notes=yes -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -DOPENSSL_USE_NODELETE -DL_ENDIAN -DOPENSSL_PIC -DOPENSSL_CPUID_OBJ -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5 -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DKECCAK1600_ASM -DRC4_ASM -DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM -DGHASH_ASM -DECP_NISTZ256_ASM -DX25519_ASM -DPOLY1305_ASM -DZLIB -DNDEBUG -DPURIFY -DDEVRANDOM="\"/dev/urandom\"" -DSYSTEM_CIPHERS_FILE="/etc/crypto-policies/back-ends/openssl.config"
OPENSSLDIR: "/etc/pki/tls"
ENGINESDIR: "/usr/lib64/engines-1.1"
Seeding source: os-specific
engines: rdrand dynamic

查看gmssl版本
[root@localhost bin]# ./gmssl version -a
GmSSL 2.5.4 - OpenSSL 1.1.0d 3 Sep 2019
built on: reproducible build, date unspecified
platform: linux-x86_64
compiler: gcc -DDSO_DLFCN -DHAVE_DLFCN_H -DNDEBUG -DOPENSSL_THREADS -DOPENSSL_NO_DYNAMIC_ENGINE -DOPENSSL_PIC -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5 -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DRC4_ASM -DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM -DGHASH_ASM -DECP_NISTZ256_ASM -DPADLOCK_ASM -DGMI_ASM -DPOLY1305_ASM -DOPENSSLDIR="\"/usr/local/gmssl\"" -DENGINESDIR="\"/usr/local/gmssl/lib/engines-1.1\"" -Wa,--noexecstack
OPENSSLDIR: "/usr/local/gmssl"
ENGINESDIR: "/usr/local/gmssl/lib/engines-1.1"
[root@localhost bin]#